Case for a computer



FIG. 1 is a front perspective view of a case for a computer showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a left side elevational view thereof, the right side elevational view being a mirror image thereof; and,

FIG. 6 is a rear elevational view thereof. 

The ornamental design for a case for a computer, as shown and described. 